JENNI-EIERMANN, Susanne; SCHIFFERLI, Luc. Body composition of starved Tufted Ducks Aythya fuligula, Pochards A. ferina and Little Grebes Tachybaptus ruficollis. Wildfowl, [S. l.], p. 99–105, 1989. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154008. Acesso em: 17 dec. 2025.